TI-EDC Titanium Pill Case Features Product Dimension: Outer: Length: 1.34"(34mm); Diameter,0.39"(10mm) Inner: Length: 0.65"(16.5mm), Diameter,0.27"(6.8mm) Weight: 0.2oz (5.7g) YOU WILL GET: 1x TI-EDC mini titanium bullet pill holder(LIFETIME WARRANTY), 1 x stainless steel split ring, 1 x stainless steel necklace(Length:23~24"), 1 x extra O-ring (If you wear it as a pendant regularly and prefer a nicer gold or silver chain, it is an alternative for you to replace it.) Dualfunction This Beautiful mini bullet pill box can work as a charm necklace pendant and also keep a few pieces of mini emergency pills. Worth for your paid. This TI-EDC pill holder is made from high quality TC4 titanium alloy which is high strength and durable, you can use it for many years, you will find this pill fob is worth for what you paid for. Health & Safe Thanks to the titanium alloy material, this pill container is also Non-toxic, light weight and Hypoallergenic, even the people who is susceptible to allergies can use it. With the rubber O-ring, this pill container is waterproof, you can scuba dive with it and your pills will stay dry. Good for everyday carry. Precision CNC machined and nice satin finishing make it has good looking, every pill case comes with a split ring that you can attach to your necklace, keychain or bag, so that you never forget your medicine and no one will notice you need to take pills.YOU WILL GET: 1x TI-EDC Mini titanium bullet pill holder(LIFETIME WARRANTY), 1 x stainless steel split ring, 1 x stainless steel necklace(Length:23~24"), 1 x extra O-ring. CAPACITY: 4 standard 81mg aspirin tablets or fits 3 aspirin 81mg tablets and 3 nitroglycerin tablets. Dimension: Inner Diameter - 0.27"; Inner Depth - 0.5" NOTE: this bullet pill fob NOT good for big pills. HEALTHY & WATERPROOF: Non-toxic, Hypoallergenic and waterproof, the screw-on cap with a rubber O-ring seal to keep your medications airtight moisture-free and clean. SOLID & LIGHT WEIGHT: Made from high quality TC4 titanium alloy, high strength and durable, Ultra-lightweight, 0.2oz only, no more burden when it's attached on your necklace or keychain. DUALFUNCTION: Works as a beautiful necklace charm pendant and a mini size pill box to keep your mini emergency pills.